<!doctype html>
<html>
<head>
    <meta charset="utf-8"/>
</head>
<body>
<div>
    <div id="t" style="background-color: red;
    width: 100px;
    height: 100px">

    </div>
</div>
<script src="/kissy/build/seed-debug.js"></script>
<script>
    KISSY.use('dom', function (S, Dom) {
        Dom.css('#t', 'filter', 'alpha(opacity=20)');
    });
</script>
</body>
</html>